CN112798366A - Coal mine gas exploration detection equipment and use method - Google Patents
Coal mine gas exploration detection equipment and use method Download PDFInfo
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- CN112798366A CN112798366A CN202110046467.XA CN202110046467A CN112798366A CN 112798366 A CN112798366 A CN 112798366A CN 202110046467 A CN202110046467 A CN 202110046467A CN 112798366 A CN112798366 A CN 112798366A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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Abstract
The invention discloses a coal mine gas exploration detection device and a using method thereof, wherein the device comprises a fixed base, a plurality of exploration pipelines and a gas detection assembly; the exploration pipeline is rotatably connected to the fixed base, the upper part of the exploration pipeline is in power connection with a driving assembly arranged at the top of the fixed base, and the lower end of the exploration pipeline is provided with a drilling and entering structure; the exploration pipeline is internally provided with an air pump, and the outer wall of the exploration pipeline below the air pump is provided with a plurality of air taking devices which are communicated with the inner cavity of the pipeline and can be closed and opened; the gas detection assembly is arranged at the top of the fixed base and is communicated with the upper ports of the exploration pipelines. The invention can carry out gas survey of ore bodies in different depths in the same area, and has better survey efficiency and safer and more reliable survey process.
Description
Technical Field
The invention relates to the technical field of ore deposit exploration, in particular to coal mine gas exploration detection equipment and a using method thereof.
Background
Mine harmful gas often exists in the mine underground among the prior art for there is certain risk in miner's during underground work, and its mine harmful gas is the generic name of various gases unfavorable for human health that produce in the underground and gush out and the production process by the coal (rock) body, and the harmful gas that often meets in the production has: asphyxiating biogas (CH4), carbon dioxide (CO 2); explosive gas biogas (CH4) and hydrogen (H2); carbon monoxide (CO), nitrogen dioxide (or nitrogen oxides), hydrogen sulfide (H2S), sulfur dioxide (SO2), and the like, which are toxic to humans.
At present, gas detection needs to be carried out in a coal mine by utilizing coal mine collection, but some existing coal mine gas detection devices are insufficient in safety, and the risk of gas leakage exists in the drilling process.
Disclosure of Invention
The invention aims to provide a coal mine gas exploration and detection device, which solves the problems that the existing gas detection device is not enough in safety and has the risk of gas leakage in the drilling process.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a coal mine gas exploration detection device, which comprises:
the fixing base is provided with a plurality of fixing anchor rods;
the device comprises a fixed base, a plurality of exploration pipelines, a drilling and taking mechanism and a drilling and taking mechanism, wherein the exploration pipelines are rotatably connected to the fixed base, the upper parts of the exploration pipelines are in power connection with a driving assembly arranged at the top of the fixed base, and the lower ends of the exploration pipelines are provided with drilling and taking structures; an air pump is arranged in the exploration pipeline, and a plurality of air taking devices which are communicated with the inner cavity of the pipeline and can be closed and opened are arranged on the outer wall of the exploration pipeline below the air pump;
and the gas detection assembly is arranged at the top of the fixed base and is communicated with the upper ports of the exploration pipelines.
Preferably, the gas taking device comprises a fixed sleeve fixed on the outer wall of the exploration pipeline, a plurality of first square through holes are formed in the outer wall of the fixed sleeve, a plurality of second square through holes are formed in the pipe wall of the exploration pipeline, each second square through hole corresponds to each first square through hole one by one, a driving piece is arranged in each second square through hole, a first arc-shaped plate and a second arc-shaped plate are arranged in each first square through hole, each second arc-shaped plate is fixed in each first square through hole, each first arc-shaped plate is in power connection with each driving piece, and each driving piece drives each first arc-shaped plate to move outwards to open the gas taking device.
Preferably, the driving part comprises a fixed plate, a micro motor is arranged below the fixed plate, an adjusting screw rod is arranged above the fixed plate, the upper end of the adjusting screw rod is rotatably connected to the top end of the second square through hole, and the lower end of the adjusting screw rod is rotatably connected to the fixed plate and is in power connection with the micro motor;
the thread of the upper half section of the adjusting screw rod is opposite to the thread of the lower half section of the adjusting screw rod in rotation direction, the upper half section and the lower half section of the adjusting screw rod are both connected with two moving blocks through threads, the two moving blocks are respectively connected with a fixed block through a connecting rod, two ends of the connecting rod are respectively hinged to the moving blocks and the fixed block, and the fixed block is fixedly connected with the first arc-shaped plate.
Preferably, a groove is formed in the middle of the fixing base, the gas detection assembly is located in the groove, and the exploration pipelines are symmetrically arranged about the groove.
Preferably, the gas detection assembly comprises a gas detection box body placed in the groove, a chromatograph is arranged in the gas detection box body, a connecting pipe is communicated with the top surface of the gas detection box body, the front end of the connecting pipe is communicated with a flexible hose, and the front end of the flexible hose is communicated with the upper port of the exploration pipeline through a flange plate.
Preferably, including setting up water tank on the unable adjustment base, the water tank pass through the output pipeline with gaseous detection box intercommunication, be provided with the inlet tube on the water tank.
Preferably, the driving assembly comprises a driving motor, a body of the driving motor is connected to the fixed base through a side plate, a first gear is arranged on a power output shaft of the driving motor, a second gear is meshed with one side of the first gear, and the second gear is installed on the exploration pipeline.
Preferably, the drilling access structure is a drill bit arranged on the lower port of the exploration pipeline, and drilling threads are arranged on the drill bit.
A use method of a coal mine gas exploration detection device is characterized by comprising the following steps: the method comprises the following steps:
s1, placing the whole fixed base in a target investigation area;
s2, starting a driving assembly, wherein the driving assembly drives the exploration pipeline to rotate and drill a target exploration area downwards;
s3, after the pipeline to be investigated enters the target depth, starting an air pump inside the investigation pipeline, and pumping the gas in the target area to a gas detection assembly for detection through a gas taking device and the investigation pipeline.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention can carry out gas survey of ore bodies in different depths in the same area, and has better survey efficiency and safer and more reliable survey process.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural diagram of a coal mine gas exploration and detection device of the present invention;
FIG. 2 is a schematic diagram of a half-section structure of the coal mine gas exploration detection device of the present invention;
FIG. 3 is a schematic structural view of the gas extraction device of the present invention;
FIG. 4 is a schematic view of the driving member of the present invention;
FIG. 5 is a schematic view of the drive assembly and gas detection assembly of the present invention;
fig. 6 is a schematic view of the connection of the water tank of the present invention.
Description of reference numerals: 1. a fixed base; 101. a groove; 2. fixing an anchor rod; 3. surveying the pipeline; 4. a drive assembly; 401. a drive motor; 402. a first gear; 403. a second gear; 5. drilling an access structure; 6. an air pump; 7. a gas taking device; 701. fixing the sleeve; 702. a first square through hole; 703. a second square through hole; 704. a drive member; 704-1, fixing plate; 704-2, a micro motor; 704-3, adjusting screw; 704-4, moving block; 704-5, connecting rod; 704-6, fixing blocks; 705. a first arc-shaped plate; 706. a second arc-shaped plate; 8. a gas detection assembly; 801. a gas detection box body; 802. connecting a conduit; 803. a flexible hose; 804. a flange plate; 9. a water tank; 901. an output pipe; 902. and (4) a water inlet pipe.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the present embodiment discloses a coal mine gas exploration detection device, which comprises a fixed base 1, a plurality of exploration pipelines 3 and a gas detection component 8.
The fixed base 1 is provided with a plurality of fixed anchor rods 2 for fixing on an ore body in an exploration area. Each exploration pipeline 3 is rotatably connected to the fixed base 1 through a bearing, the upper part of each exploration pipeline 3 is in power connection with a driving assembly 4 arranged at the top of the fixed base 1, and the lower end of each exploration pipeline 3 is provided with a drilling and taking structure 5; an air pump 6 is arranged in the exploration pipeline 3, and a plurality of air taking devices 7 which are communicated with the inner cavity of the pipeline and can be closed and opened are arranged on the outer wall of the exploration pipeline 3 below the air pump 6. The gas detection assembly 8 is arranged at the top of the fixed base 1 and is communicated with the upper ports of the exploration pipelines 3.
In particular, the drilling access structure 5 is a drill bit arranged on the lower port of the investigation pipe 3, on which drill bit drilling threads are arranged.
As shown in fig. 3 and 4, the gas taking device 7 includes a fixing sleeve 701 welded on the outer wall of the exploration pipeline 3, the outer wall of the fixing sleeve 701 is provided with a plurality of first square through holes 702, the pipe wall of the exploration pipeline 3 is provided with a plurality of second square through holes 703, each second square through hole 703 corresponds to each first square through hole 702 one by one, a driving member 704 is disposed in each second square through hole 703, a first arc 705 and a second arc 706 are disposed in each first square through hole 702, each second arc 706 is sealed and fixed in each first square through hole 702, the first arc 705 is in power connection with the driving member 704, and the driving member 704 drives the first arc 705 to move outwards to open the gas taking device 7.
Because a plurality of first square through holes 702 are opened on the outer wall of the fixed sleeve 701, the size of each first square through hole 702 is small, so that large particulate matters can be prevented from entering the exploration pipeline 3, and the first square through holes 702 can play a role in filtering meshes.
The driving piece 704 comprises a fixing plate 704-1, the fixing plate 704-1 is welded in the second square through hole 703, a micro motor 704-2 is arranged below the fixing plate 704-1, an adjusting screw 704-3 is arranged above the fixing plate 704-1, the upper end of the adjusting screw 704-3 is rotatably connected to the top end of the second square through hole 703, and the lower end of the adjusting screw 704-3 is rotatably connected to the fixing plate 704-1 and is in power connection with the micro motor 704-2. The thread of the upper half section of the adjusting screw 704-3 is opposite to the thread of the lower half section, the upper half section and the lower half section of the adjusting screw 704-3 are both connected with two moving blocks 704-4 through threads, the moving blocks 704-4 are opposite in moving direction when the micro motor 704-2 drives the adjusting screw 704-3 to rotate, the two moving blocks 704-4 are respectively connected with a fixed block 704-6 through a connecting rod 704-5, two ends of the connecting rod 704-5 are respectively hinged to the moving blocks 704-4 and the fixed block 704-6, and the fixed block 704-6 is fixedly connected with the first arc-shaped plate 705.
As shown in fig. 1 and 5, in the present embodiment, a groove 101 is provided in the middle of the fixing base 1, the gas detection assembly 8 is located in the groove 101, and the respective investigation pipes 3 are symmetrically arranged about the groove 101.
The gas detection assembly 8 comprises a gas detection box body 801 placed in the groove 101, a chromatograph is arranged in the gas detection box body 801, the top surface of the gas detection box body 801 is communicated with a connecting conduit 802, the front end of the connecting conduit 802 is communicated with a telescopic hose 803, and the front end of the telescopic hose 803 is communicated with the upper port of the investigation pipeline 3 through a flange 804.
As shown in fig. 5, the driving assembly 4 includes a driving motor 401, a body of the driving motor 401 is connected to the fixed base 1 through a side plate, a first gear 402 is disposed on a power output shaft of the driving motor 401, a second gear 403 is engaged with one side of the first gear 402, and the second gear 403 is mounted on the exploration pipe 3.
As shown in fig. 6, in order to prevent toxic gas from overflowing, the present embodiment further includes a water tank 9 disposed on the fixing base 1, the water tank 9 is communicated with the gas detection tank 801 through an output pipeline 901, and the water tank 9 is provided with a water inlet pipe 902. The remaining gas in the gas detection tank 801 is introduced into the water tank 9 through the outlet pipe 901 to be mixed with water.
The embodiment also discloses a using method of the coal mine gas exploration detection equipment, which comprises the following steps:
s1, selecting areas of the investigation region to be equally divided, placing a fixed base 1 in each equally divided area, and placing a bracket with the same investigation depth and height at the bottom of the fixed base 1;
and S2, starting the driving component 4, and driving the exploration pipeline 3 to rotate by the driving component 4 to drill the target exploration area downwards. Specifically, the driving motor 401 is started, the driving motor 401 drives the exploration pipeline 3 to drill downwards to an exploration area through the first gear 402 and the second gear 403, the support is lowered immediately in the drilling process, and meanwhile the fixing base 1 is fixed on the ground through the fixing anchor rod 2.
S3, after the pipeline 3 to be surveyed enters the target depth, pumping the gas in the target area to the gas detection assembly 8 for detection through the gas taking device 7 and the survey pipeline 3. Specifically, the telescopic hose 803 and the exploration pipeline 3 are connected through the flange 804, then the micro motor 704-2 is started, the micro motor 704-2 drives the first arc-shaped plate 705 to move outwards through the adjusting screw 704-3 to open the gas taking device 7, the gas pump 6 inside the exploration pipeline 3 is started, and gas in a target area is pumped to the gas detection assembly 8 for detection, specifically, gas detection is performed through a chromatograph; finally, the remaining gas is introduced into the water tank 9 through the outlet duct 901 to be mixed with water, preventing the gas from overflowing.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. A coal mine gas exploration detection device, comprising:
the fixing device comprises a fixing base (1), wherein a plurality of fixing anchor rods (2) are arranged on the fixing base (1);
the device comprises a plurality of exploration pipelines (3), wherein the exploration pipelines (3) are rotatably connected to a fixed base (1), the upper parts of the exploration pipelines (3) are in power connection with a driving assembly (4) arranged at the top of the fixed base (1), and the lower ends of the exploration pipelines (3) are provided with drilling and entering structures (5); an air pump (6) is arranged in the exploration pipeline (3), and a plurality of air taking devices (7) which are communicated with the inner cavity of the pipeline and can be closed and opened are arranged on the outer wall of the exploration pipeline (3) below the air pump (6);
and the gas detection assembly (8) is arranged at the top of the fixed base (1) and communicated with the upper ports of the exploration pipelines (3).
2. The coal mine gas exploration detection apparatus of claim 1, wherein: the gas taking device (7) comprises a fixed sleeve (701) fixed on the outer wall of the exploration pipeline (3), a plurality of first square through holes (702) are arranged on the outer wall of the fixed sleeve (701), a plurality of second square through holes (703) are arranged on the pipe wall of the exploration pipeline (3), each second square through hole (703) corresponds to each first square through hole (702) one by one, a driving piece (704) is arranged in the second square through hole (703), a first arc-shaped plate (705) and a second arc-shaped plate (706) are arranged in the first square through hole (702), the second curved plate (706) is fixed in the first square through hole (702), the first arc-shaped plate (705) is in power connection with the driving part (704), and the driving part (704) drives the first arc-shaped plate (705) to move outwards to open the gas taking device (7).
3. The coal mine gas exploration detection apparatus of claim 2, wherein: the driving piece (704) comprises a fixing plate (704-1), a micro motor (704-2) is arranged below the fixing plate (704-1), an adjusting screw rod (704-3) is arranged above the fixing plate (704-1), the upper end of the adjusting screw rod (704-3) is rotatably connected to the top end of the second square through hole (703), and the lower end of the adjusting screw rod (704-3) is rotatably connected to the fixing plate (704-1) and is in power connection with the micro motor (704-2);
the thread of the upper half section of the adjusting screw rod (704-3) and the thread of the lower half section of the adjusting screw rod are in the same direction, the upper half section and the lower half section of the adjusting screw rod (704-3) are both connected with two moving blocks (704-4) through threads, the two moving blocks (704-4) are respectively connected with a fixed block (704-6) through a connecting rod (704-5), two ends of the connecting rod (704-5) are respectively hinged to the moving blocks (704-4) and the fixed block (704-6), and the fixed block (704-6) is fixedly connected with the first arc-shaped plate (705).
4. The coal mine gas exploration detection apparatus of claim 1, wherein: the middle of the fixed base (1) is provided with a groove (101), the gas detection assembly (8) is located in the groove (101), and the exploration pipelines (3) are symmetrically arranged relative to the groove (101).
5. The coal mine gas exploration detection apparatus of claim 4, wherein: the gas detection assembly (8) comprises a gas detection box body (801) placed in the groove (101), a chromatograph is arranged in the gas detection box body (801), a connecting pipe (802) is communicated with the top surface of the gas detection box body (801), the front end of the connecting pipe (802) is communicated with a flexible hose (803), and the front end of the flexible hose (803) is communicated with an upper port of the exploration pipeline (3) through a flange plate (804).
6. The coal mine gas exploration detection apparatus of claim 5, wherein: the gas detection device is characterized by comprising a water tank (9) arranged on a fixed base (1), wherein the water tank (9) is communicated with a gas detection box body (801) through an output pipeline (901), and a water inlet pipe (902) is arranged on the water tank (9).
7. The coal mine gas exploration detection apparatus of claim 1, wherein: the driving assembly (4) comprises a driving motor (401), a body of the driving motor (401) is connected to the fixed base (1) through a side plate, a first gear (402) is arranged on a power output shaft of the driving motor (401), a second gear (403) is meshed with one side of the first gear (402), and the second gear (403) is installed on the exploration pipeline (3).
8. The coal mine gas exploration detection apparatus of claim 1, wherein: the drilling and taking structure (5) is a drill bit arranged on the lower port of the exploration pipeline (3), and drilling threads are arranged on the drill bit.
9. A use method of a coal mine gas exploration detection device is characterized by comprising the following steps: the method comprises the following steps:
s1, placing the whole fixed base (1) in a target investigation area;
s2, starting a driving assembly (4), wherein the driving assembly (4) drives the exploration pipeline (3) to rotate to drill a target exploration area downwards;
s3, after the pipeline (3) to be surveyed enters the target depth, starting an air pump (6) inside the pipeline (3) to be surveyed, and pumping the gas in the target area to a gas detection assembly (8) for detection through a gas taking device (7) and the pipeline (3) to be surveyed.
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| CN202110046467.XA CN112798366B (en) | 2021-01-14 | 2021-01-14 | Coal mine gas exploration detection equipment and use method |
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| CN211922408U (en) * | 2020-02-26 | 2020-11-13 | 福建天朗星信息科技有限公司 | Intelligent road pile with lifting function |
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2021
- 2021-01-14 CN CN202110046467.XA patent/CN112798366B/en active Active
Patent Citations (7)
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| JP2001221724A (en) * | 2000-02-09 | 2001-08-17 | Ebara Corp | Sampling method and apparatus for soil gas |
| CN208127631U (en) * | 2018-03-10 | 2018-11-20 | 新昌县希克自动化设备有限公司 | A kind of box-type substation extension type mouse-proof baffle plate |
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| CN210322359U (en) * | 2019-06-03 | 2020-04-14 | 中科光生(苏州)智能环境科技有限公司 | Soil gas concentration detection device |
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